#include<iostream>
#include<vector>
#include<queue>
#include<cstring>
#include<cmath>
#include<map>
#include<set>
#include<cstdio>
#include<algorithm>
#define debug(a) cout<<#a<<"="<<a<<endl;
using namespace std;
const int maxn=1e5;
typedef long long LL;
inline LL read(){LL x=0,f=1;char ch=getchar();	while (!isdigit(ch)){if (ch=='-') f=-1;ch=getchar();}while (isdigit(ch)){x=x*10+ch-48;ch=getchar();}
return x*f;}
int main(void)
{
  cin.tie(0);std::ios::sync_with_stdio(false);
  LL t;cin>>t;
  while(t--){
    LL a,b;cin>>a>>b;
    LL mul=a*b;
    LL m=pow(mul,1.0/3)+0.5;
    if(m*m*m==a*b&&a%m==0&&b%m==0){
        cout<<"Yes"<<"\n";
    }
    else cout<<"No"<<"\n";
  }
return 0;
}
